Question

plz solve the question 4​

Answer 1

Answer:

Option( C)

Step-by-step explanation:

f(x)=x³+px²-pqrx+r

α,β,γ are zeros of f(x)

so α+β+γ=-p/1=-p

αβγ=r/1=r

1/αβ +1/βγ +1/αγ

=1/αβγ (α+β+γ )

=1/r(-p)=-p/r

Option( C)